//
//  Atom.m
//  oc x
//
//  Created by Mac OS on 16-4-5.
//  Copyright (c) 2016年 oyzh. All rights reserved.
//

#import "Atom.h"

@implementation Atom

-  (id) init
{
    if(self=[super init]){
   _chemicalElement=@"None";
    }
    return self;
}

-(NSUInteger) massNumber
{
    return 0;
}
@end
